Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:07Z
4y² + 8y + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
46K
\lim_{α\to 0} \frac{\sin α}{α} = 1
468K
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
289K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
339K
det| 3 9 ; 1 4 | = 3
177K
iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
121K
CaCO₃ → CaO + CO₂
\frac{7}{7} \sum_{i=1}^{n} i^{2}
67K
det| 9 5 ; 2 10 | = 80
97K
det| 9 8 ; 0 10 | = 90
276K